Improvement in fire-alarms



l F.. F. HERMAN.

Fire Alarm.`

`-No. 124,680. Patented March19,'1s72. Y

" EREDEEIQK E. HEEMAN, 0E GRAFTON, MICHIGAN.

IMPROVEMENT IN FIRE-ALARMS.

To lwhom it may concern:- vBe it known that I, FREDERICK F. HER- MAN, of Grafton, in the county of Monroe and State of Michigan, have invented a new andv useful Improvement in a Fire-Alarm; and I do declare that the following is a true and accurate description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon and being a part of this specification, in which my invention isshown in perspective with a portion of the easing broken away.

The nature of this invention relates to a firealarm lin which the burning of a gun-cotton 'cord lightsa lamp; and it consists in the employment of the` lamp in tha-t connection and the arrangement of the several parts.

Inthe drawing, A represents the casing of the alarm,which` should be secured to the wall of the principal sleeping room, or in a room that is always occupied. B is a gong-bell,

'which, with the working parts, is placed within the casing. C is an ordinary clockalarm, actuating 1a hammer,D, which strikes the gong when the detent of the alarm is released. One side of the casing is left open, and at either side of said opening is a stud, a. E is a lamp, secured in the upper part of the casin g, through `the top of which the wick-tube b projects.

. The lamp should be supplied with the hy drocarbon oil of commerce, as it does not become thick in time, and ignites readily.

Preferably, I employ a cord or yarn of guncotton in setting the alarm in the following manner: I first take several turns of the cord F around the projecting end of the wick of the lamp and then lead it to and secure it to one ofthe studs a.; I draw back the hammer as far as possible and stretch the cord to the other side and secure it to the stud, passing between the hammer and gong, so as to hold it away from the latter when the clock-work should be wound up by its proper key. The cord may now be led to and around every room in the building, following the wood-work where it would be most likely to take fire, and may be secured from accident in any convenient manner. Should a fire commence in any Yroom it would soon reach the cord and fire it,

when it will rapidly burn to the casing, setting free the hammer to sound the alarm and awake. the sleeping occupants, while it also lights the lamp which many persons would be unable to do in their bewildering fright on such an occasion.

What I claim as my invention, and desire to sec-ure by Letters Patent, is-

The combinatiomwith an alarm,oi` the guncotton cord F, constructed as described, and connected. directly to the wick of the lampE, as and for the purpose set forth.

Witnesses: FRED. F. HERMAN.

H. F. EBERTS, MYEON H. CHURCH.

QFFIGE- 

